ee6dd32236
This is what the manual page says ps should do, and what OpenBSD and NetBSD do. Based on a patch from Ken Stailey. PR: 27433, 46232
327 lines
11 KiB
C
327 lines
11 KiB
C
/*-
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* Copyright (c) 1990, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if 0
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#ifndef lint
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static char sccsid[] = "@(#)keyword.c 8.5 (Berkeley) 4/2/94";
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#endif /* not lint */
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#endif
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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#include <sys/proc.h>
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#include <sys/sysctl.h>
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#include <sys/user.h>
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#include <err.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "ps.h"
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static VAR *findvar(char *, int, char **header);
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static int vcmp(const void *, const void *);
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/* Compute offset in common structures. */
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#define KOFF(x) offsetof(struct kinfo_proc, x)
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#define ROFF(x) offsetof(struct rusage, x)
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#define UIDFMT "u"
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#define UIDLEN 5
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#define PIDFMT "d"
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#define PIDLEN 5
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#define USERLEN (MAXLOGNAME - 1)
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/* PLEASE KEEP THE TABLE BELOW SORTED ALPHABETICALLY!!! */
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static VAR var[] = {
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{"%cpu", "%CPU", NULL, 0, pcpu, NULL, 4, 0, CHAR, NULL, 0},
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{"%mem", "%MEM", NULL, 0, pmem, NULL, 4, 0, CHAR, NULL, 0},
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{"acflag", "ACFLG", NULL, 0, kvar, NULL, 3, KOFF(ki_acflag), USHORT,
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"x", 0},
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{"acflg", "", "acflag", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
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{"args", "COMMAND", NULL, COMM|LJUST|USER, arguments, NULL, 16, 0,
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CHAR, NULL, 0},
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{"blocked", "", "sigmask", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
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{"caught", "", "sigcatch", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
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{"comm", "COMMAND", NULL, LJUST, ucomm, NULL, MAXCOMLEN, 0, CHAR,
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NULL, 0},
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{"command", "COMMAND", NULL, COMM|LJUST|USER, command, NULL, 16, 0,
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CHAR, NULL, 0},
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{"cpu", "CPU", NULL, 0, kvar, NULL, 3, KOFF(ki_estcpu), UINT, "d",
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0},
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{"cputime", "", "time", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
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{"etime", "ELAPSED", NULL, USER, elapsed, NULL, 12, 0, CHAR, NULL, 0},
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{"f", "F", NULL, 0, kvar, NULL, 7, KOFF(ki_flag), INT, "x", 0},
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{"flags", "", "f", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
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{"ignored", "", "sigignore", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
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{"inblk", "INBLK", NULL, USER, rvar, NULL, 4, ROFF(ru_inblock), LONG,
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"ld", 0},
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{"inblock", "", "inblk", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
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{"jobc", "JOBC", NULL, 0, kvar, NULL, 4, KOFF(ki_jobc), SHORT, "d",
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0},
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{"ktrace", "KTRACE", NULL, 0, kvar, NULL, 8, KOFF(ki_traceflag), INT,
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"x", 0},
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{"label", "LABEL", NULL, LJUST|DSIZ, label, s_label, SHRT_MAX, 0, CHAR,
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NULL, 0},
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{"lim", "LIM", NULL, 0, maxrss, NULL, 5, 0, CHAR, NULL, 0},
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{"lockname", "LOCK", NULL, LJUST, lockname, NULL, 6, 0, CHAR, NULL,
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0},
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{"login", "LOGIN", NULL, LJUST, logname, NULL, MAXLOGNAME-1, 0, CHAR,
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NULL, 0},
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{"logname", "", "login", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
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{"lstart", "STARTED", NULL, LJUST|USER, lstarted, NULL, 28, 0, CHAR,
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NULL, 0},
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{"majflt", "MAJFLT", NULL, USER, rvar, NULL, 4, ROFF(ru_majflt),
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LONG, "ld", 0},
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{"minflt", "MINFLT", NULL, USER, rvar, NULL, 4, ROFF(ru_minflt),
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LONG, "ld", 0},
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{"msgrcv", "MSGRCV", NULL, USER, rvar, NULL, 4, ROFF(ru_msgrcv),
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LONG, "ld", 0},
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{"msgsnd", "MSGSND", NULL, USER, rvar, NULL, 4, ROFF(ru_msgsnd),
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LONG, "ld", 0},
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{"mwchan", "MWCHAN", NULL, LJUST, mwchan, NULL, 6, 0, CHAR, NULL, 0},
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{"ni", "", "nice", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
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{"nice", "NI", NULL, 0, kvar, NULL, 2, KOFF(ki_nice), CHAR, "d",
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0},
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{"nivcsw", "NIVCSW", NULL, USER, rvar, NULL, 5, ROFF(ru_nivcsw),
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LONG, "ld", 0},
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{"nsignals", "", "nsigs", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
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{"nsigs", "NSIGS", NULL, USER, rvar, NULL, 4, ROFF(ru_nsignals),
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LONG, "ld", 0},
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{"nswap", "NSWAP", NULL, USER, rvar, NULL, 4, ROFF(ru_nswap),
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LONG, "ld", 0},
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{"nvcsw", "NVCSW", NULL, USER, rvar, NULL, 5, ROFF(ru_nvcsw),
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LONG, "ld", 0},
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{"oublk", "OUBLK", NULL, USER, rvar, NULL, 4, ROFF(ru_oublock),
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LONG, "ld", 0},
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{"oublock", "", "oublk", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
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{"paddr", "PADDR", NULL, 0, kvar, NULL, 8, KOFF(ki_paddr), KPTR,
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"lx", 0},
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{"pagein", "PAGEIN", NULL, USER, pagein, NULL, 6, 0, CHAR, NULL, 0},
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{"pcpu", "", "%cpu", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
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{"pending", "", "sig", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
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{"pgid", "PGID", NULL, 0, kvar, NULL, PIDLEN, KOFF(ki_pgid), UINT,
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PIDFMT, 0},
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{"pid", "PID", NULL, 0, kvar, NULL, PIDLEN, KOFF(ki_pid), UINT,
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PIDFMT, 0},
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{"pmem", "", "%mem", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
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{"ppid", "PPID", NULL, 0, kvar, NULL, PIDLEN, KOFF(ki_ppid), UINT,
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PIDFMT, 0},
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{"pri", "PRI", NULL, 0, pri, NULL, 3, 0, CHAR, NULL, 0},
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{"re", "RE", NULL, INF127, kvar, NULL, 3, KOFF(ki_swtime), UINT, "d",
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0},
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{"rgid", "RGID", NULL, 0, kvar, NULL, UIDLEN, KOFF(ki_rgid),
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UINT, UIDFMT, 0},
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{"rgroup", "RGROUP", NULL, LJUST|DSIZ, rgroupname, s_rgroupname,
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USERLEN, 0, CHAR, NULL, 0},
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{"rss", "RSS", NULL, 0, kvar, NULL, 4, KOFF(ki_rssize), PGTOK, "ld", 0},
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{"rtprio", "RTPRIO", NULL, 0, priorityr, NULL, 7, KOFF(ki_pri), CHAR,
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NULL, 0},
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{"ruid", "RUID", NULL, 0, kvar, NULL, UIDLEN, KOFF(ki_ruid),
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UINT, UIDFMT, 0},
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{"ruser", "RUSER", NULL, LJUST|DSIZ, runame, s_runame, USERLEN,
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0, CHAR, NULL, 0},
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{"sid", "SID", NULL, 0, kvar, NULL, PIDLEN, KOFF(ki_sid), UINT,
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PIDFMT, 0},
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{"sig", "PENDING", NULL, 0, kvar, NULL, 8, KOFF(ki_siglist), INT,
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"x", 0},
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{"sigcatch", "CAUGHT", NULL, 0, kvar, NULL, 8, KOFF(ki_sigcatch),
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UINT, "x", 0},
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{"sigignore", "IGNORED", NULL, 0, kvar, NULL, 8, KOFF(ki_sigignore),
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UINT, "x", 0},
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{"sigmask", "BLOCKED", NULL, 0, kvar, NULL, 8, KOFF(ki_sigmask),
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UINT, "x", 0},
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{"sl", "SL", NULL, INF127, kvar, NULL, 3, KOFF(ki_slptime), UINT, "d",
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0},
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{"start", "STARTED", NULL, LJUST|USER, started, NULL, 7, 0, CHAR, NULL,
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0},
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{"stat", "", "state", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
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{"state", "STAT", NULL, 0, state, NULL, 4, 0, CHAR, NULL, 0},
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{"svgid", "SVGID", NULL, 0, kvar, NULL, UIDLEN, KOFF(ki_svgid),
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UINT, UIDFMT, 0},
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{"svuid", "SVUID", NULL, 0, kvar, NULL, UIDLEN, KOFF(ki_svuid),
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UINT, UIDFMT, 0},
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{"tdev", "TDEV", NULL, 0, tdev, NULL, 4, 0, CHAR, NULL, 0},
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{"time", "TIME", NULL, USER, cputime, NULL, 9, 0, CHAR, NULL, 0},
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{"tpgid", "TPGID", NULL, 0, kvar, NULL, 4, KOFF(ki_tpgid), UINT,
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PIDFMT, 0},
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{"tsid", "TSID", NULL, 0, kvar, NULL, PIDLEN, KOFF(ki_tsid), UINT,
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PIDFMT, 0},
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{"tsiz", "TSIZ", NULL, 0, kvar, NULL, 4, KOFF(ki_tsize), PGTOK, "ld", 0},
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{"tt", "TT ", NULL, 0, tname, NULL, 4, 0, CHAR, NULL, 0},
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{"tty", "TTY", NULL, LJUST, longtname, NULL, 8, 0, CHAR, NULL, 0},
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{"ucomm", "UCOMM", NULL, LJUST, ucomm, NULL, MAXCOMLEN, 0, CHAR, NULL,
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0},
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{"uid", "UID", NULL, 0, kvar, NULL, UIDLEN, KOFF(ki_uid), UINT,
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UIDFMT, 0},
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{"upr", "UPR", NULL, 0, kvar, NULL, 3, KOFF(ki_pri.pri_user), UCHAR,
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"d", 0},
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{"user", "USER", NULL, LJUST|DSIZ, uname, s_uname, USERLEN, 0, CHAR,
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NULL, 0},
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{"usrpri", "", "upr", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
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{"vsize", "", "vsz", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
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{"vsz", "VSZ", NULL, 0, vsize, NULL, 5, 0, CHAR, NULL, 0},
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{"wchan", "WCHAN", NULL, LJUST, wchan, NULL, 6, 0, CHAR, NULL, 0},
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{"xstat", "XSTAT", NULL, 0, kvar, NULL, 4, KOFF(ki_xstat), USHORT,
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"x", 0},
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{"", NULL, NULL, 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
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};
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void
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showkey(void)
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{
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VAR *v;
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int i;
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const char *p, *sep;
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i = 0;
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sep = "";
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for (v = var; *(p = v->name); ++v) {
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int len = strlen(p);
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if (termwidth && (i += len + 1) > termwidth) {
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i = len;
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sep = "\n";
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}
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(void) printf("%s%s", sep, p);
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sep = " ";
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}
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(void) printf("\n");
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}
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void
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parsefmt(const char *p, int user)
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{
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static struct varent *vtail;
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char *tempstr, *tempstr1;
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#define FMTSEP " \t,\n"
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tempstr1 = tempstr = strdup(p);
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while (tempstr && *tempstr) {
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char *cp, *hp;
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VAR *v;
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struct varent *vent;
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/*
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* If an item contains an equals sign, it specifies a column
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* header, may contain embedded separator characters and
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* is always the last item.
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*/
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if (tempstr[strcspn(tempstr, "="FMTSEP)] != '=')
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while ((cp = strsep(&tempstr, FMTSEP)) != NULL &&
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*cp == '\0')
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/* void */;
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else {
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cp = tempstr;
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tempstr = NULL;
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}
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if (cp == NULL || !(v = findvar(cp, user, &hp)))
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continue;
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if (!user) {
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/*
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* If the user is NOT adding this field manually,
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* get on with our lives if this VAR is already
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* represented in the list.
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*/
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vent = find_varentry(v);
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if (vent != NULL)
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continue;
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}
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if ((vent = malloc(sizeof(struct varent))) == NULL)
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errx(1, "malloc failed");
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vent->header = v->header;
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if (hp) {
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hp = strdup(hp);
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if (hp)
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vent->header = hp;
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}
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vent->var = malloc(sizeof(*vent->var));
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if (vent->var == NULL)
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errx(1, "malloc failed");
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memcpy(vent->var, v, sizeof(*vent->var));
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vent->next = NULL;
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if (vhead == NULL)
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vhead = vtail = vent;
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else {
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vtail->next = vent;
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vtail = vent;
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}
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}
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free(tempstr1);
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if (!vhead) {
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warnx("no valid keywords; valid keywords:");
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showkey();
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exit(1);
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}
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}
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static VAR *
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findvar(char *p, int user, char **header)
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{
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VAR *v, key;
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char *hp;
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hp = strchr(p, '=');
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if (hp)
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*hp++ = '\0';
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key.name = p;
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v = bsearch(&key, var, sizeof(var)/sizeof(VAR) - 1, sizeof(VAR), vcmp);
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if (v && v->alias) {
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if (hp) {
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warnx("%s: illegal keyword specification", p);
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eval = 1;
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}
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parsefmt(v->alias, user);
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return ((VAR *)NULL);
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}
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if (!v) {
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warnx("%s: keyword not found", p);
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eval = 1;
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}
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if (header)
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*header = hp;
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return (v);
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}
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static int
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vcmp(const void *a, const void *b)
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{
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return (strcmp(((const VAR *)a)->name, ((const VAR *)b)->name));
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}
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